CN104130508A - Low-oriented extrusion grade polypropylene material and preparation method thereof - Google Patents
Low-oriented extrusion grade polypropylene material and preparation method thereof Download PDFInfo
- Publication number
- CN104130508A CN104130508A CN201410394936.7A CN201410394936A CN104130508A CN 104130508 A CN104130508 A CN 104130508A CN 201410394936 A CN201410394936 A CN 201410394936A CN 104130508 A CN104130508 A CN 104130508A
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- polypropylene
- extrusion grade
- temperature
- polypropylene material
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses a low-oriented extrusion grade polypropylene material. The polypropylene material comprises the following components in parts by weight: 60-90 parts of polypropylene resin, 2-3 parts of polytetrafluoroethylene, 1-5 parts of toughening agent, 0-10 parts of heat-resistant modifier, 7-28 parts of packing, 0.1-1 part of lubricant and 0.1-1 part of antioxidant, wherein the polypropylene resin is a copolymer of polypropylene and polyethylene, and the weight ratio of polypropylene to polyethylene in the polypropylene copolymer is 95 to 5-99 to 1. According to the low-oriented extrusion grade polypropylene material and a preparation method thereof, polytetrafluoroethylene is added in the formula, so that the melt strength of the polypropylene material can be improved, then the orientation of the polypropylene material is reduced, the vertical unnotched impact of polypropylene is improved on the basis of little change of flow-directional unnotched impact, and the mechanical properties and uniformity of the material are improved. The preparation method is simple, easy to operate and low in relative cost.
Description
Technical field
The present invention relates to a kind of macromolecular material technique, particularly a kind of polypropylene material and preparation method thereof.
Background technology
Polypropylene (PP) is one of the kind the most rapidly developing in Plastics Industry.The advantages such as it has that mechanical property is good, light specific gravity, nontoxic, corrosion-resistant, easy processing, and raw material be easy to get, cheap, thereby be widely used in fields such as household electrical appliances, automobile and packings.Current modified polypropylene material Market competition, but polypropylene also exists some problems aborning, for example, polypropylene when extrusion moulding, be orientated larger, thereby cause the mechanical property distribution of material uneven, especially the non-notch impact property of the flow direction of material is much larger than vertical direction, greatly limited the application of material, developed the polypropylene material of low orientation, widening its range of application is the significant problem that industry need to solve.
Based on the above, a kind of exploitation of low orientation extrusion grade polypropylene material is by necessary property.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of polypropylene material of be widely used in automotive part production of low orientation extrusion grade.
A low orientation extrusion grade polypropylene material, it is counted by weight and comprises following component,
Acrylic resin, 60～90 parts;
Tetrafluoroethylene, 2～3 parts;
Toughner, 1～5 part;
Heat-proof modifier, 0～10 part;
Filler, 7～28 parts;
Lubricant, 0.1～1 part;
Oxidation inhibitor, 0.1～1 part;
Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 95: 5～99: 1.
Preferably, described low orientation extrusion grade polypropylene material, wherein, according to the mass fraction, it comprises following component,
Acrylic resin, 63.5 parts;
Tetrafluoroethylene, 2.5 parts;
Toughner, 3 parts;
Heat-proof modifier, 5 parts;
Filler, 25 parts;
Lubricant, 0.5 part;
Oxidation inhibitor, 0.5 part;
Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 95: 5.
Preferably, described low orientation extrusion grade polypropylene material, wherein, described toughner is high density polyethylene(HDPE), the molecular weight of described high density polyethylene(HDPE) is 40000～300000.
Preferably, described low orientation extrusion grade polypropylene material, wherein, described heat-proof modifier is maleic anhydride series properties-correcting agent, in described maleic anhydride series properties-correcting agent, maleic anhydride content is 5%, and the relative molecular mass of described maleic anhydride series properties-correcting agent is 165000.
Preferably, described low orientation extrusion grade polypropylene material, wherein, described oxidation inhibitor is a kind of or mixture in antioxidant 1010 and irgasfos 168.
A method of preparing low orientation extrusion grade polypropylene material, comprises the following steps:
1) get 60～90 parts of acrylic resins, 2～3 parts of tetrafluoroethylene, 1～5 part of toughner, 0～10 part of heat-proof modifier, 7～28 parts of fillers, 0.1～1 part of lubricant, 0.1～1 part of oxidation inhibitor, each component materials, at the temperature of 70～85 ℃, is dried to 2～6 hours, and keeps material in drying regime;
2) by step 1) in dried material add high-speed mixer for dry mixing 2～5 minutes;
3) by step 2) in be dry mixed material completely and add in twin screw extruder, through melting, cooling, granulation, obtain finished product; The parameter of described twin screw extruder is controlled as follows: hopper portion temperature is 155～160 ℃, and the anterior temperature of barrel is 182～195 ℃, and die head temperature is 186～194 ℃, and die temperature is 182～202 ℃, and the temperature of extrusion moulding is 150～180 ℃.
Low orientation extrusion grade polypropylene material provided by the invention and preparation method thereof has following beneficial effect:
(1) in formula, add the melt strength that tetrafluoroethylene can increase polypropylene material, thereby reduced the orientation of polypropylene material, make polypropylene flow to non-notch impact change on little basis, vertically to non-notch impact improve, improved mechanical property and the homogeneity of material.
(2) production technique is simple to operation, and the filler of Material Addition, oxidation inhibitor, lubricant and heat-proof modifier etc. are all the commercially available inexpensive products that is easy to get, and relative cost is lower, and applicable field is widened.
Embodiment
Below the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to specification sheets word.
Embodiment 1
A method of preparing low orientation extrusion grade polypropylene material, comprises the following steps:
1) starting material are prepared: take by weight: acrylic resin, 60 parts; Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 99: 1.
Tetrafluoroethylene, 3 parts;
Toughner, 3.8 parts; Described toughner is high density polyethylene(HDPE), and the molecular weight of described high density polyethylene(HDPE) is 40000.
Heat-proof modifier, 10 parts; Described heat-proof modifier is maleic anhydride series properties-correcting agent, and in described maleic anhydride series properties-correcting agent, maleic anhydride content is 5%, and the relative molecular mass of described maleic anhydride series properties-correcting agent is 165000.
Filler, 23 parts;
Lubricant, 0.1 part;
Oxidation inhibitor, 0.1 part; Described oxidation inhibitor is antioxidant 1010.
Each component materials, at the temperature of 70 ℃, is dried to 2 hours, and keeps material in drying regime;
2) mixing: by step 1), dried material adds high-speed mixer for dry mixing 2 minutes;
3) extrude: by step 2) in be dry mixed material completely and add in twin screw extruder, through melting, cooling, granulation, obtain finished product; The parameter of described twin screw extruder is controlled as follows: hopper portion temperature is 155～160 ℃, and the anterior temperature of barrel is 182～195 ℃, and die head temperature is 186～194 ℃, and die temperature is 182～202 ℃, and the temperature of extrusion moulding is 150～180 ℃.
Embodiment 2
A method of preparing low orientation extrusion grade polypropylene material, comprises the following steps:
1) starting material are prepared, and take by weight: acrylic resin, 63.5 parts; Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 95: 5.Tetrafluoroethylene, 2.5 parts; Toughner, 3 parts; Described toughner is high density polyethylene(HDPE), and the molecular weight of described high density polyethylene(HDPE) is 300000.Heat-proof modifier, 5 parts; Described heat-proof modifier is maleic anhydride series properties-correcting agent, and in described maleic anhydride series properties-correcting agent, maleic anhydride content is 5%, and the relative molecular mass of described maleic anhydride series properties-correcting agent is 165000.Filler, 25 parts; Lubricant, 0.5 part; Oxidation inhibitor, 0.5 part; Described oxidation inhibitor is irgasfos 168.Above-mentioned raw materials, at the temperature of 85 ℃, is dried to 6 hours, and keeps material in drying regime;
2) mixing: by step 1), dried material adds high-speed mixer for dry mixing 5 minutes;
3) extrude: by step 2) in be dry mixed material completely and add in twin screw extruder, through melting, cooling, granulation, obtain finished product; The parameter of described twin screw extruder is controlled as follows: hopper portion temperature is 155～160 ℃, and the anterior temperature of barrel is 182～195 ℃, and die head temperature is 186～194 ℃, and die temperature is 182～202 ℃, and the temperature of extrusion moulding is 150～180 ℃.
Embodiment 3
A method of preparing low orientation extrusion grade polypropylene material, comprises the following steps:
1) starting material are prepared: take by weight: acrylic resin, 89.8 parts; Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 95: 5
Tetrafluoroethylene, 2 parts;
Toughner, 1 part; Described toughner is high density polyethylene(HDPE), and the molecular weight of described high density polyethylene(HDPE) is 40000～300000.
Filler, 7 parts;
Lubricant, 0.1 part;
Oxidation inhibitor, 0.1 part; Described oxidation inhibitor is antioxidant 1010.
Each component materials, at the temperature of 70 ℃, is dried to 2 hours, and keeps material in drying regime;
2) mixing: by step 1), dried material adds high-speed mixer for dry mixing 5 minutes;
3) extrude: by step 2) in be dry mixed material completely and add in twin screw extruder, through melting, cooling, granulation, obtain finished product; The parameter of described twin screw extruder is controlled as follows: hopper portion temperature is 155～160 ℃, and the anterior temperature of barrel is 182～195 ℃, and die head temperature is 186～194 ℃, and die temperature is 182～202 ℃, and the temperature of extrusion moulding is 150～180 ℃.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification sheets and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (6)
1. a low orientation extrusion grade polypropylene material, is characterized in that, meter comprises following component by weight,
Acrylic resin, 60～90 parts;
Tetrafluoroethylene, 2～3 parts;
Toughner, 1～5 part;
Heat-proof modifier, 0～10 part;
Filler, 7～28 parts;
Lubricant, 0.1～1 part;
Oxidation inhibitor, 0.1～1 part;
Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 95: 5～99: 1.
2. low orientation extrusion grade polypropylene material as claimed in claim 1, is characterized in that, according to the mass fraction, it comprises following component,
Acrylic resin, 63.5 parts;
Tetrafluoroethylene, 2.5 parts;
Toughner, 3 parts;
Heat-proof modifier, 5 parts;
Filler, 25 parts;
Lubricant, 0.5 part;
Oxidation inhibitor, 0.5 part;
Described acrylic resin is polypropylene and poly multipolymer, and the weight ratio in described Co-polypropylene between polypropylene and polyethylene is 95: 5.
3. low orientation extrusion grade polypropylene material as claimed in claim 1 or 2, is characterized in that, described toughner is high density polyethylene(HDPE), and the molecular weight of described high density polyethylene(HDPE) is 40000～300000.
4. low orientation extrusion grade polypropylene material as claimed in claim 1 or 2, it is characterized in that, described heat-proof modifier is maleic anhydride series properties-correcting agent, and in described maleic anhydride series properties-correcting agent, maleic anhydride content is 5%, and the relative molecular mass of described maleic anhydride series properties-correcting agent is 165000.
5. low orientation extrusion grade polypropylene material as claimed in claim 1 or 2, is characterized in that, described oxidation inhibitor is a kind of or mixture in antioxidant 1010 and irgasfos 168.
6. a method of preparing low orientation extrusion grade polypropylene material, is characterized in that, comprises the following steps:
1) get 60～90 parts of acrylic resins, 2～3 parts of tetrafluoroethylene, 1～5 part of toughner, 0～10 part of heat-proof modifier, 7～28 parts of fillers, 0.1～1 part of lubricant, 0.1～1 part of oxidation inhibitor, each component materials, at the temperature of 70～85 ℃, is dried to 2～6 hours, and keeps material in drying regime;
2) by step 1) in dried material add high-speed mixer for dry mixing 2～5 minutes;
3) by step 2) in be dry mixed material completely and add in twin screw extruder, through melting, cooling, granulation, obtain finished product; The parameter of described twin screw extruder is controlled as follows: hopper portion temperature is 155～160 ℃, and the anterior temperature of barrel is 182～195 ℃, and die head temperature is 186～194 ℃, and die temperature is 182～202 ℃, and the temperature of extrusion moulding is 150～180 ℃.
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| CN201410394936.7A CN104130508A (en) | 2014-08-12 | 2014-08-12 | Low-oriented extrusion grade polypropylene material and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476694A (en) * | 2014-10-11 | 2015-04-01 | 泰兴市耐热机泵制造厂 | A forming process for fluoridation modification of a polypropylene plastic part |
| CN107501714A (en) * | 2017-09-01 | 2017-12-22 | 金发科技股份有限公司 | A kind of polypropene composition and preparation method thereof |
| CN112724508A (en) * | 2020-12-18 | 2021-04-30 | 金发科技股份有限公司 | High-melt-strength polypropylene material and preparation method and application thereof |
| CN113549291A (en) * | 2021-06-25 | 2021-10-26 | 宁波东拓塑业有限公司 | Creep-resistant polypropylene, preparation method thereof and plastic tray |
| WO2022127857A1 (en) * | 2020-12-18 | 2022-06-23 | 金发科技股份有限公司 | Reinforced polypropylene material, preparation method therefor and use thereof |
| CN115785561A (en) * | 2022-11-24 | 2023-03-14 | 苏州润佳工程塑料股份有限公司 | High-surface-hardness polypropylene composite material and application thereof |
| CN116253956A (en) * | 2022-08-29 | 2023-06-13 | 骆驼集团塑胶制品有限公司 | Polypropylene material capable of preventing heat sealing adhesive and preparation method thereof |
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| WO2022127857A1 (en) * | 2020-12-18 | 2022-06-23 | 金发科技股份有限公司 | Reinforced polypropylene material, preparation method therefor and use thereof |
| CN113549291A (en) * | 2021-06-25 | 2021-10-26 | 宁波东拓塑业有限公司 | Creep-resistant polypropylene, preparation method thereof and plastic tray |
| CN116253956A (en) * | 2022-08-29 | 2023-06-13 | 骆驼集团塑胶制品有限公司 | Polypropylene material capable of preventing heat sealing adhesive and preparation method thereof |
| CN115785561A (en) * | 2022-11-24 | 2023-03-14 | 苏州润佳工程塑料股份有限公司 | High-surface-hardness polypropylene composite material and application thereof |
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Application publication date: 20141105 |